XSS in Netgate Pfsense
CVE-2019-16914
An XSS issue was discovered in pfSense through 2.4.4-p3. In services_captiveportal_mac.php, the username and delmac parameters are displayed without sanitization.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.020 (80.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Netgate Pfsense — versions 2.4.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- redmine.pfsense.org/issues/9609 (Permissions Required, Third Party Advisory)
- github.com/pfsense/pfsense/commit/d31362b69d5d52dc196dc72f66e830cd1e6e9a4f (Patch, Third Party Advisory)
- www.seebug.org/vuldb/ssvid-98023 (Third Party Advisory)
Frequently asked questions
- What is CVE-2019-16914?
- CVE-2019-16914 is a medium-severity vulnerability in Netgate Pfsense, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-09-26.
- How severe is CVE-2019-16914?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2019-16914 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.